/*

This file is part of Ext JS 4

Copyright (c) 2011 Sencha Inc

Contact:  http://www.sencha.com/contact

Commercial Usage
Licensees holding valid commercial licenses may use this file in accordance with the Commercial Software License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Sencha.

If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact.

*/
Ext.require([
    'Ext.data.*',
    'Ext.grid.*',
    'Ext.tree.*'
]);

Ext.onReady(function() {
    //we want to setup a model and store instead of using dataUrl
    Ext.define('Task', {
        extend: 'Ext.data.Model',
        fields: [
            {name: 'task',     type: 'string'},
            {name: 'user',     type: 'string'},
            {name: 'duration', type: 'string'}
        ]
    });

    var store = Ext.create('Ext.data.TreeStore', {
        model: 'Task',
        proxy: {
            type: 'ajax',
            //the store will get the content from the .json file
            url: 'treegrid.json'
        },
        folderSort: true
    });

    //Ext.ux.tree.TreeGrid is no longer a Ux. You can simply use a tree.TreePanel
    var tree = Ext.create('Ext.tree.Panel', {
        title: 'Core Team Projects',
        width: 500,
        height: 300,
        renderTo: Ext.getBody(),
        collapsible: true,
        useArrows: true,
        rootVisible: false,
        store: store,
        multiSelect: true,
        singleExpand: true,
        //the 'columns' property is now 'headers'
        columns: [{
            xtype: 'treecolumn', //this is so we know which column will show the tree
            text: 'Task',
            flex: 2,
            sortable: true,
            dataIndex: 'task'
        },{
            //we must use the templateheader component so we can use a custom tpl
            xtype: 'templatecolumn',
            text: 'Duration',
            flex: 1,
            sortable: true,
            dataIndex: 'duration',
            align: 'center',
            //add in the custom tpl for the rows
            tpl: Ext.create('Ext.XTemplate', '{duration:this.formatHours}', {
                formatHours: function(v) {
                    if (v < 1) {
                        return Math.round(v * 60) + ' mins';
                    } else if (Math.floor(v) !== v) {
                        var min = v - Math.floor(v);
                        return Math.floor(v) + 'h ' + Math.round(min * 60) + 'm';
                    } else {
                        return v + ' hour' + (v === 1 ? '' : 's');
                    }
                }
            })
        },{
            text: 'Assigned To',
            flex: 1,
            dataIndex: 'user',
            sortable: true
        }]
    });
});

